Intersection rules, dynamics and symmetries

Details Intersection rules, dynamics and symmetries Intersection rules, dynamics and symmetries

2003-07-02

arxiv.org/abs/hep-th/0307024v1

JHEP0308:025,2003

Physics

High Energy Physics

High Energy Physics - Theory

Latex 30 pages, 3 figures

Scientific paper

10.1088/1126-6708/2003/08/025

We consider theories containing gravity, at most one dilaton and form field strengths. We show that the existence of particular BPS solutions of intersecting extremal closed branes select the theories, which upon dimensional reduction to three dimensions possess a simple simply laced Lie group symmetry G. Furthermore these theories can be fully reconstructed from the dynamics of such branes and of their openings. Amongst such theories are the effective actions of the bosonic sector of M-theory and of the bosonic string. The BPS intersecting brane solutions form representations of a subgroup of the group of Weyl reflections and outer automorphisms of the triple Kac-Moody extension G+++ of the G algebra, which cannot be embedded in the overextended Kac-Moody subalgebra G++ characterising the cosmological Kasner solutions.

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